Katie Couric talks to Gary Douglas about the historic multibillion dollar settlement with 3M over drinking water contamination with PFAS forever chemicals. Subscribe to my channel: youtube.com/user/KatieCouric Follow me on Instagram: instagram.com/katiecouric Subscribe to my podcast: ApplePodcasts.com/KatieCouric Follow me on Facebook: facebook.com/KatieCouric Follow me on Twitter: twitter.com/katiecouric